321282080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{286859}}^1$

素因数の和:286881

約数の個数: 48

約数和(自身を含む): 867464640

約数和(自身を除く): 546182560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 286859, 573718, 1147436, 1434295, 2008013, 2294872, 2868590, 4016026, 4589744, 5737180, 8032052, 9179488, 10040065, 11474360, 16064104, 20080130, 22948720, 32128208, 40160260, 45897440, 64256416, 80320520, 160641040, 321282080]

約数ペア:

[(1, 321282080), (2, 160641040), (4, 80320520), (5, 64256416), (7, 45897440), (8, 40160260), (10, 32128208), (14, 22948720), (16, 20080130), (20, 16064104), (28, 11474360), (32, 10040065), (35, 9179488), (40, 8032052), (56, 5737180), (70, 4589744), (80, 4016026), (112, 2868590), (140, 2294872), (160, 2008013), (224, 1434295), (280, 1147436), (560, 573718), (1120, 286859)]